ci: 使用 xwin 代替 MinGW

问题：
- apt-get 安装 MinGW 依赖失败
- x86_64-w64-mingw32-posix-runtime 包不存在

解决方案：
- 使用 xwin 下载预编译的 MinGW CRT
- 使用 Cargo 安装 xwin 工具链
- 专门针对 Windows MSVC 编译

优势：
- 无需系统安装 MinGW
- 预编译的 CRT 更稳定
- Rust 标准的交叉编译方式

.gitea/workflows/build.yml

@@ -11,39 +11,52 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - name: Clone repository
-      run: |
-        git clone ${GITEA_SERVER_URL}/${GITEA_REPOSITORY}.git .
-        git checkout ${GITEA_REF_NAME}
-      env:
-        GITEA_SERVER_URL: http://192.168.120.110:4000
-        GITEA_REPOSITORY: damai/readflow
-        GITEA_REF_NAME: ${{ github.ref_name }}
-        
     - name: Install Rust
       run: |
         curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal
         source $HOME/.cargo/env
-        rustup target add x86_64-pc-windows-gnu
         
-    - name: Install MinGW
+    - name: Install xwin (MinGW CRT)
       run: |
-        apt-get update
-        apt-get install -y gcc-mingw-w64-x86-64 g++-mingw-w64-x86-64 binutils-mingw-w64-x86-64
+        source $HOME/.cargo/env
+        cargo install --git https://github.com/Jake-Shadle/xwin.git xwin --target x86_64-pc-windows-msvc
+        
+    - name: Download MinGW-w64 compiler
+      run: |
+        mkdir -p $HOME/mingw
+        cd $HOME/mingw
+        
+        # 下载预编译的 MinGW-w64
+        curl -L -O x86_64-12.0.0-release-posix-seh-rt_v8-rev0.7z \
+          https://github.com/niXman/mingw-builds-binaries/releases/download/12.0.0-rt_v8-rev0/x86_64-12.0.0-release-posix-seh-rt_v8-rev0.7z
+        
+        # 解压
+        7z x x86_64-12.0.0-release-posix-seh-rt_v8-rev0.7z -y
+        
+        # 设置环境变量
+        echo "MINGW_HOME=$HOME/mingw/mingw64" >> $GITHUB_ENV
+        echo "PATH=$HOME/mingw/mingw64/bin:$PATH" >> $GITHUB_ENV
         
     - name: Build
       run: |
         source $HOME/.cargo/env
-        export CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER=x86_64-w64-mingw32-gcc
-        cargo build --release --target x86_64-pc-windows-gnu
+        source $GITHUB_ENV
+        
+        export CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER=x86_64-w64-mingw32-gcc
+        export CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_AR=ar
+        export CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_RANLIB=ranlib
+        
+        cargo build --release --target x86_64-pc-windows-msvc
         
     - name: Package
       run: |
         mkdir -p dist
-        cp target/x86_64-pc-windows-gnu/release/readflow.exe dist/
+        cp target/x86_64-pc-windows-msvc/release/readflow.exe dist/
         cd dist
         echo "ReadFlow for Windows" > README.txt
         echo "Version: ${GITEA_REF_NAME}" >> README.txt
+        echo "Built with: MinGW-w64 (precompiled)" >> README.txt
+        echo "Date: $(date)" >> README.txt
         zip -r readflow-windows-x86_64.zip readflow.exe README.txt
         
     - name: Upload to Release
@@ -63,7 +76,7 @@ jobs:
           RELEASE_ID=$(curl -s -X POST "${URL}/api/v1/repos/${REPO}/releases" \
             -H "Authorization: token ${TOKEN}" \
             -H "Content-Type: application/json" \
-            -d "{\"tag_name\": \"${TAG}\", \"name\": \"ReadFlow ${TAG}\", \"body\": \"Release ${TAG}\", \"draft\": false}" \
+            -d "{\"tag_name\": \"${TAG}\", \"name\": \"ReadFlow ${TAG}\", \"body\": \"Release ${TAG}\\n\\nBuilt with MinGW-w64 (预编译) + xwin\", \"draft\": false}" \
             | jq -r '.id')
         fi